Comparison
ECC vs duet-gpt
Verdict
Pick ECC when eCC is primarily JavaScript; duet-gpt is TypeScript; pick duet-gpt when duet-gpt is primarily TypeScript; ECC is JavaScript.
Markdown twin · ECC alternatives · duet-gpt alternatives
GraphCanon updated today
Trust & integrity
| Signal | ECC | duet-gpt |
|---|---|---|
| Maintenance | Very active (2d since push) As of today · github_public_v1 | Dormant (1117d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Personal account As of today · github_public_v1 | Not a fork · Personal account As of today · github_public_v1 |
| Security (OSV) | No MCP manifest As of today · mcp_manifest | 49 low (49 low) As of today · osv@v1 |
Tagline
- ECC
- The agent harness performance optimization system for AI agents
- duet-gpt
- A conversational semi-autonomous developer assistant. AI pair programming without the copypasta.
Stars
- ECC
- 228k
- duet-gpt
- 167
Forks
- ECC
- 35k
- duet-gpt
- 13
Open issues
- ECC
- 93
- duet-gpt
- 1
Language
- ECC
- JavaScript
- duet-gpt
- TypeScript
Adopt for
- ECC
- ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes.
- duet-gpt
- -
Persona
- ECC
- -
- duet-gpt
- -
Runtime
- ECC
- -
- duet-gpt
- -
License
- ECC
- MIT
- duet-gpt
- MIT
Last pushed
- ECC
- Jul 9, 2026
- duet-gpt
- Jun 19, 2023
Categories
- ECC
- AI Agents, Developer Tools
- duet-gpt
- AI Agents, LLM Frameworks, Developer Tools
Trust and health
Maintenance
- ECC
- Very active (96%)
- duet-gpt
- Dormant (18%)
Days since push
- ECC
- 2d
- duet-gpt
- 1117d
Open issues (now)
- ECC
- 93
- duet-gpt
- 1
Security scan
- ECC
- No MCP manifest
- duet-gpt
- 49 low (49 low)
Full report
- ECC
- Trust report
- duet-gpt
- Trust report
Choose ECC if…
- ECC is primarily JavaScript; duet-gpt is TypeScript.
- ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data.
- Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project..
- Tags unique to ECC: productivity, claude, claude-code, anthropic.
- When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
When NOT to use ECC
- For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary.
- In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
Choose duet-gpt if…
- duet-gpt is primarily TypeScript; ECC is JavaScript.
- Tags unique to duet-gpt: assistant, ai, gpt-4, gpt.
- Also covers LLM Frameworks.
When NOT to use duet-gpt
- Last GitHub push was 1118 days ago (dormant maintenance, Jun 19, 2023). Validate activity before betting a new project on duet-gpt.
- AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
- Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (affaan-m/ECC) · observed Jul 11, 2026
- GitHub forks (affaan-m/ECC) · observed Jul 11, 2026
- Last push (affaan-m/ECC) · observed Jul 9, 2026
- License file (MIT) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (kristoferlund/duet-gpt) · observed Jul 11, 2026
- GitHub forks (kristoferlund/duet-gpt) · observed Jul 11, 2026
- Last push (kristoferlund/duet-gpt) · observed Jun 19, 2023
- License file (MIT) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: ECC 228k · duet-gpt 167 (synced Jul 11, 2026).
Common questions
- What is the difference between ECC and duet-gpt?
- ECC: The agent harness performance optimization system for AI agents. duet-gpt: A conversational semi-autonomous developer assistant. AI pair programming without the copypasta.. See the comparison table for live GitHub stats and shared categories.
- When should I choose ECC over duet-gpt?
- Choose ECC over duet-gpt when ECC is primarily JavaScript; duet-gpt is TypeScript; ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.; Tags unique to ECC: productivity, claude, claude-code, anthropic; When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
- When should I choose duet-gpt over ECC?
- Choose duet-gpt over ECC when duet-gpt is primarily TypeScript; ECC is JavaScript; Tags unique to duet-gpt: assistant, ai, gpt-4, gpt; Also covers LLM Frameworks.
- When should I avoid ECC?
- For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
- When should I avoid duet-gpt?
- Last GitHub push was 1118 days ago (dormant maintenance, Jun 19, 2023). Validate activity before betting a new project on duet-gpt. AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
- Is ECC or duet-gpt more popular on GitHub?
- ECC has more GitHub stars (228,395 vs 167). Stars measure visibility, not whether either tool fits your constraints.
- Are ECC and duet-gpt open source?
- Yes - both are open-source projects on GitHub (ECC: MIT, duet-gpt: MIT).
- Where can I find alternatives to ECC or duet-gpt?
- GraphCanon lists graph-backed alternatives at ECC alternatives and duet-gpt alternatives (ECC markdown twin, duet-gpt markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, ECC or duet-gpt?
- ECC: Very active. duet-gpt: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for ECC and duet-gpt?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; duet-gpt trust report.